It is observed that as much the accidents occurred in the year of 2006 and 2007 characterize for the same amount of accidents involving the transport of dangerous chemical products, in the two years had been identified twelve occurrences per year, moreover, the occurrence areas are next and the accidents occur basically in the same highways. He is expressive to denote that the majority of the accidents had occurred for falling, characteristic this that can be related to the fact of the highways to present a sufficiently winding tracing. Knowing that the state of Minas Gerais is characterized for possessing a mountainous relief and that the tracings of the highways follow the tracing of this relief. In the regions south, northeast and central of Minas Gerais, they predominate the falling occurrence, these regions to be characterized for considerable an urban occupation, is estimated that the occurrence of these fallings is factors harnesses to cause some damage ambient partner, as well as, contamination of the ground, the water, of air, beyond the sciais problems that can generate for the society that is under influence. 6.3. Analysis of the occurrences of 2008 In the year of 2008, was possible to identify that of the totality of dezessete accidents, these had occurred in the cities of Silver, Belo Horizonte, Diamantina, Uberlndia, Itatiaiuu, South of Mines, Itamonte, Barbacena, Juiz De Fora, New Age, Arax, Is Joo Nepomuceno, Beauty East, Carmo of the Waterfall, Curvelo, High Searches of the Norway and Uberlndia. Of these occurrences, six of them had been concentrated in the central region of the state of Minas Gerais, whose cities enclose federal highways BR-381, BR-040 and BR-262 as main axles. Others five occurrences are concentrated in Southeastern the south region/and others four had abided it region of the mining triangle, area of influence of the BR-262. Amongst dezessete identified occurrences, fourteen of them are related to the falling events, an occurrence related to the event of collision, one for fire of vehicle and one for emptying of chemical product.